Add 72/10 and 4/80
1st number: 7 2/10, 2nd number: 4/80
72/10 + 4/80 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80 - Add the two like fractions:
576/80 + 4/80 = 576 + 4/80 = 580/80 - 580/80 simplified gives 29/4
- So, 72/10 + 4/80 = 29/4
In mixed form: 71/4
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